1 files changed, 55 insertions, 0 deletions
diff --git a/arch/blackfin/mach-bf533/include/mach/fio_flag.h b/arch/blackfin/mach-bf533/include/mach/fio_flag.h
new file mode 100644
index 000000000000..b81905a1da23
--- /dev/null
+++ b/arch/blackfin/mach-bf533/include/mach/fio_flag.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2005-2008 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later
+ */
+
+#ifndef _MACH_FIO_FLAG_H
+#define _MACH_FIO_FLAG_H
+
+#include <asm/blackfin.h>
+#include <asm/irqflags.h>
+
+#if ANOMALY_05000311
+#define BFIN_WRITE_FIO_FLAG(name) \
+static inline void bfin_write_FIO_FLAG_##name(unsigned short val) \
+{ \
+	unsigned long flags; \
+	local_irq_save_hw(flags); \
+	bfin_write16(FIO_FLAG_##name, val); \
+	bfin_read_CHIPID(); \
+	local_irq_restore_hw(flags); \
+}
+BFIN_WRITE_FIO_FLAG(D)
+BFIN_WRITE_FIO_FLAG(C)
+BFIN_WRITE_FIO_FLAG(S)
+BFIN_WRITE_FIO_FLAG(T)
+
+#define BFIN_READ_FIO_FLAG(name) \
+static inline u16 bfin_read_FIO_FLAG_##name(void) \
+{ \
+	unsigned long flags; \
+	u16 ret; \
+	local_irq_save_hw(flags); \
+	ret = bfin_read16(FIO_FLAG_##name); \
+	bfin_read_CHIPID(); \
+	local_irq_restore_hw(flags); \
+	return ret; \
+}
+BFIN_READ_FIO_FLAG(D)
+BFIN_READ_FIO_FLAG(C)
+BFIN_READ_FIO_FLAG(S)
+BFIN_READ_FIO_FLAG(T)
+
+#else
+#define bfin_write_FIO_FLAG_D(val)           bfin_write16(FIO_FLAG_D, val)
+#define bfin_write_FIO_FLAG_C(val)           bfin_write16(FIO_FLAG_C, val)
+#define bfin_write_FIO_FLAG_S(val)           bfin_write16(FIO_FLAG_S, val)
+#define bfin_write_FIO_FLAG_T(val)           bfin_write16(FIO_FLAG_T, val)
+#define bfin_read_FIO_FLAG_T()               bfin_read16(FIO_FLAG_T)
+#define bfin_read_FIO_FLAG_C()               bfin_read16(FIO_FLAG_C)
+#define bfin_read_FIO_FLAG_S()               bfin_read16(FIO_FLAG_S)
+#define bfin_read_FIO_FLAG_D()               bfin_read16(FIO_FLAG_D)
+#endif
+
+#endif /* _MACH_FIO_FLAG_H */